On portable computers, you may need to press the Fn key with the arrow keys for Home, End, Page Up, and Page Down.

If a category color makes it difficult to use the chart, turn off the color by selecting the category in the legend. To turn on the color, select the category again. You can also use the grayscale charts.

Before printing this chart, select the option in your browser’s Print options to print backgrounds or background colors. For best results, use portrait mode.